NASA's Artemis Moon mission was supposed to launch Monday. But it was delayed due to a problem one of the rocket engines. When it launches, it will be a giant step towards sending humans back to the moon. We're eager to know: What leaps in scientific knowledge will be gained?
It's a question planted in our minds by the scientist Hal Walker, who led an experiment during the first lunar landing half a century ago. The goal: Beam a laser at the moon. This encore episode, Scientist in Residence
Regina G. Barber talks to host
Aaron Scott about the Lunar Laser Ranging experiment — and how shooting that laser helped us better understand one of Einstein's theories.
Follow Aaron on Twitter
@AaronScottNPR and Regina
@ScienceRegina. Reach the show by beaming an email to
[email protected].
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